Hello,

I use a QwtPlotCurve with some points assign with setRawSamples. I want to get the X or Y cooridnates of a point in the curve using Y or X associated coordinate, but this point is not always a point that i use to create the curve.

Exemple:

i have two point to create the curve

pointA(0,0) and pointB(2,2) and i want to find the coordinate of the point in the curve coresponding to x = 1. in this case the point has 1,1 for coordinates.

is this is possible and how to do.

Thanks for your help.

## Bookmarks